Ingaruka ya selile ya ether kuri tile yometse

Isima ishingiye kuri tile ifata nigikorwa kinini cyibisanzwe byumye-bivanze. Nubwoko bwa organic cyangwa organic organique buvanze na sima nkibikoresho nyamukuru bya sima kandi byuzuzwa hamwe na grade igiteranyo, ibikoresho byo kubika amazi, imbaraga za kare hamwe nifu ya latex. imvange. Mubisanzwe, bigomba kuvangwa gusa namazi. Ugereranije na sima isanzwe ya sima, irashobora kuzamura cyane imbaraga zubusabane hagati yibintu bigaragara hamwe na substrate, ifite imitungo myiza yo kurwanya kunyerera kandi ifite amazi meza kandi irwanya ubushyuhe. Irakoreshwa kandi mugushushanya amatafari yimbere imbere ninyuma, amabati hasi nibindi bikoresho byo gushushanya. Ikoreshwa cyane mugushushanya inkuta zimbere ninyuma, hasi, ubwiherero, igikoni, nibindi. Ni tile ikoreshwa cyane. Guhuza ibikoresho.

Mubisanzwe, iyo dusuzumye imikorere yimigozi ya tile, dukwiye kwitondera imbaraga za mashini nigihe cyo gufungura hiyongereyeho imikorere yacyo nubushobozi bwo kurwanya kunyerera. Usibye kugira ingaruka kumiterere ya rheologiya ya reberi ya farashi, nkuburyo bworoshye bwo gukora, imiterere yicyuma gifata, nibindi, ether ya selile ifite uruhare runini kumiterere yubukorikori bwa tile.

1. Gufungura igihe
IgiheIfu ya polymer isubirwamonaselile etherkubana muri minisiteri itose, moderi zimwe zamakuru zerekana ko ifu ya reberi ifite imbaraga za kinetic zifatanije nigicuruzwa cya sima, kandi ether ya selile igaragara cyane mumazi yo hagati, bigira ingaruka kuri byinshi. Ubukonje no gushiraho igihe cya minisiteri. Ubusumbane bwubuso bwa selile ya selile nini kuruta iy'ifu ya reberi, kandi gutunganyiriza ether nyinshi ya selile kuri interineti ya minisiteri ni byiza gukora isano ya hydrogène hagati yubuso bwibanze na selile.

Muri minisiteri itose, amazi yo muri minisiteri arahumuka, ether ya selile ikungahaye hejuru, kandi hakozwe firime hejuru yubutaka bwa minisiteri mu minota 5, bikagabanya umuvuduko ukurikiraho, kuko amazi menshi ari menshi kuva kuri minisiteri. Igice cyo kwimuka kumurongo woroheje wa minisiteri, gufungura kwambere kwa membrane gushonga igice, kandi kwimuka kwamazi bizazana selile nyinshi ya ether hejuru yubutaka.

Imiterere ya firime ya selile ether hejuru yubutaka bwa minisiteri igira uruhare runini mumikorere ya minisiteri:
Ubwa mbere, firime yakozwe ni ntoya cyane, izashonga kabiri, ntishobora kugabanya ihinduka ryamazi, kugabanya imbaraga.
Icya kabiri, firime yakozwe ni ndende cyane, kwibumbira hamwe kwa selile ya ether mumazi ya minisiteri yimbere ni ndende, kandi ibishishwa ni binini. Iyo tile yometse, ntabwo byoroshye kumena firime yo hejuru.
Duhereye kuri ibi, byumvikane ko firime ikora imiterere ya selile ether igira uruhare runini mugihe cyo gufungura. Ubwoko bwa selile ether (HPMC,HEMC.

2 、 imbaraga
Usibye gutanga ibintu bitandukanye byingirakamaro byasobanuwe haruguru kuri minisiteri, ether ya selile irinda hydrated kinetics ya sima. Uku kudindira guterwa ahanini na adsorption ya molekile ya selile ya selile ku byiciro bitandukanye byamabuye y'agaciro muri sisitemu ya sima ya hydrata, ariko muri rusange, molekile ya selile yamamaye cyane kumazi nka CSH na hydroxide ya calcium. Ku bicuruzwa bivura imiti, ntibisanzwe byamamazwa kumurongo wambere wamabuye ya clinker. Byongeye kandi, kubera kwiyongera kwijimye ryumuti wa pore, ether ya selile igabanya umuvuduko wa ion (Ca2 +, SO42-,…) mugisubizo cya pore, bityo bikadindiza inzira yo kuhira.

Viscosity nikindi kintu cyingenzi kigaragaza imiterere yimiti ya selile. Nkuko byavuzwe haruguru, ibishishwa bigira ingaruka cyane cyane kubushobozi bwo gufata amazi kandi bikagira n'ingaruka zikomeye kumikorere ya minisiteri nshya. Nyamara, ubushakashatsi bwakozwe bwerekanye ko ubukonje bwa selile ya ether nta ngaruka igira kuri hydration kinetics ya sima. Uburemere bwa molekuline ntacyo bugira kuri hydration, kandi itandukaniro rinini riri hagati yuburemere butandukanye ni min 10 gusa. Kubwibyo, uburemere bwa molekuline ntabwo aribintu byingenzi bigenga kugenzura sima.
"Gukoresha Ether ya Cellulose muri Sima-Yumye-ivanze na Mortar Products" ivuga neza ko kudindiza kwa selile biterwa na miterere yimiti. Icyerekezo rusange cyavuzwe muri make ni uko kuri MHEC, urwego rwo hejuru rwa methylation, niko kugabanuka kwa selile ether. Byongeye kandi, insimburangingo ya hydrophilique (nko gusimbuza HEC) irakandamiza kuruta gusimbuza hydrophobique (nko gusimbuza MH, MHEC, MHPC). Ingaruka zo kudindiza selile ya ether yibasiwe cyane nibintu bibiri byubwoko nubunini bwitsinda ryabasimbuye.
Ubushakashatsi bwa sisitemu yacu bwagaragaje kandi ko ibikubiye mu nsimburangingo bigira uruhare runini mu mbaraga za mashini zifata tile. Twasuzumye imikorere ya HPMC hamwe ninzego zitandukanye zo gusimbuza muri tile yometse kuri tile, kandi twagerageje selile ether ebyiri hamwe na matsinda atandukanye mubihe bitandukanye byo gukira. Ingaruka yimiterere yubukanishi bwa tile yifata, Igishushanyo cya 2 nishusho ya 3 ningaruka zimpinduka mubintu bya mikorobe (DS) hamwe na hydroxypropoxy (MS) kubintu bikurura imbaraga za tile zifata ubushyuhe bwicyumba.

Igishushanyo 2

Igishushanyo 3

Mu kizamini, turarebaHydroxypropyl methyl selulose (HPMC), ni ether igoye. Tugomba rero gushyira hamwe iyo mibare yombi. Kuri HPMC, dukeneye isoko kugirango tumenye neza amazi no kohereza urumuri. Twese tuzi ibikubiye mubisimbura. Igena kandi ubushyuhe bwa gel ya HPMC, igena ibidukikije HPMC ikoreshwa. Kubwibyo, ibikubiye muri HPMC isanzwe ikoreshwa nabyo byakozwe murwego. Nigute ushobora guhuza imikorere ya hydroxypropoxy muriki cyiciro Kugirango tugere kubisubizo byiza nibyo twiga. Igishushanyo cya 2 cyerekana ko murwego runaka, kwiyongera kwibintu bya metoxyl bizazana inzira yo kugabanuka kumbaraga zo gukurura, mugihe ibirimo hydroxypropoxyl biziyongera kandi imbaraga zo gukurura ziyongere. Mugihe cyo gufungura, hari ingaruka zisa.